Reference Point and Motion

An object is _____ if its position changes relative to another object.

• in motion

• at reset

• a frame of reference

• stationary

A place or object used for comparison to determine if another object is in motion is called a

• comparison point
• reference point
• point of view
• motion detector

The man in the boat is moving relative to the _________________.

• boat

• buoy

• fishing pole

The best reference points are stationary (not moving).

• true

• false

How fast does the plane appear to be moving to a person riding in the car?

• 520 m/s
• 460 m/s
• 30 m/s
• 490 m/s

Tags

NGSS.MS-PS3-1

How fast does the hot air balloon appear to be moving to the person in the canoe?

• 1 m/s to the left
• 1 m/s to the right
• 5 m/s to the left
• 5 m/s to the right

How fast does the plane appear to be moving to a person running?

• 492 m/s

• 490 m/s

• 486 m/s

• 4 m/s

How fast does the hot air balloon appear to be moving to the plane?

• 493 m/s to the left

• 490 m/s to the right

• 488 m/s to the left

• 3 m/s to the right

What is the position of the cafeteria?

• one block to the left of the dorm

• three blocks to the right of the dorm

• two blocks to the left of the library